Random Access Method and Device

9. A network-side transmission point in a 5G system, wherein the 5G system supports a plurality of operating bandwidths, or the 5G system supports a plurality of operating bandwidths and a plurality of sets of numerologies, wherein an operating bandwidth is a part or all of a system bandwidth of the 5G system; and the network-side transmission point comprises at least one processor and a memory; wherein the memory is configured to store readable program codes, and the at least one processor is configured to execute the readable program codes to perform operations of the method according to claim 5.